<template>
  <el-col>
    <el-button icon="el-icon-plus" circle size="mini" style="margin-bottom: 10px" @click="addFilter" />
    <div style="max-height: 50vh; overflow-y: auto">
      <el-row v-for="(f, index) in item.filter" :key="index" class="filter-item">
        <el-col :span="4">
          <span>{{ item.name }}</span>
        </el-col>
        <el-col :span="8">
          <el-select v-model="f.term" size="mini">
            <el-option-group v-for="(group, idx) in options" :key="idx" :label="group.label">
              <el-option v-for="opt in group.options" :key="opt.value" :label="opt.label" :value="opt.value" />
            </el-option-group>
          </el-select>
        </el-col>
        <el-col :span="6">
          <el-input
            v-show="!f.term.includes('null') && !f.term.includes('empty')"
            v-model="f.value"
            class="value-item"
            :placeholder="$t('chart.condition')"
            size="mini"
            clearable
          />
        </el-col>
        <el-col :span="6">
          <el-button type="text" icon="el-icon-delete" circle style="float: right" @click="removeFilter(index)" />
        </el-col>
      </el-row>
    </div>
  </el-col>
</template>

<script>
export default {
  name: 'DimensionFilterEditor',
  props: {
    item: {
      type: Object,
      required: true,
    },
  },
  data() {
    return {
      options: [
        {
          label: '',
          options: [
            {
              value: 'eq',
              label: this.$t('chart.filter_eq'),
            },
            {
              value: 'not_eq',
              label: this.$t('chart.filter_not_eq'),
            },
          ],
        },
        {
          label: '',
          options: [
            {
              value: 'like',
              label: this.$t('chart.filter_like'),
            },
            {
              value: 'not like',
              label: this.$t('chart.filter_not_like'),
            },
          ],
        },
        {
          label: '',
          options: [
            {
              value: 'null',
              label: this.$t('chart.filter_null'),
            },
            {
              value: 'not_null',
              label: this.$t('chart.filter_not_null'),
            },
          ],
        },
        {
          label: '',
          options: [
            {
              value: 'empty',
              label: this.$t('chart.filter_empty'),
            },
            {
              value: 'not_empty',
              label: this.$t('chart.filter_not_empty'),
            },
          ],
        },
      ],
    }
  },
  mounted() {},
  methods: {
    addFilter() {
      this.item.filter.push({
        term: 'eq',
        value: '',
      })
    },
    removeFilter(index) {
      this.item.filter.splice(index, 1)
    },
  },
}
</script>

<style scoped>
.filter-item {
  width: 100%;
  border-radius: 4px;
  border: 1px solid #dcdfe6;
  padding: 4px 14px;
  margin-bottom: 10px;
  display: flex;
  justify-content: left;
  align-items: center;
}

.form-item ::v-deep .el-form-item__label {
  font-size: 12px;
}

span {
  font-size: 12px;
}

.value-item ::v-deep .el-input {
  position: relative;
  display: inline-block;
  width: 80px !important;
}

.el-select-dropdown__item {
  padding: 0 20px;
  font-size: 12px;
}
</style>
